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[2620:137:e000::1:20]) by mx.google.com with ESMTP id a2-20020a170902ee8200b00186a6b63515si7147769pld.214.2022.11.13.09.59.33; Sun, 13 Nov 2022 09:59:45 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235274AbiKMRnI (ORCPT + 89 others); Sun, 13 Nov 2022 12:43:08 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47690 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232884AbiKMRnH (ORCPT ); Sun, 13 Nov 2022 12:43:07 -0500 Received: from wp530.webpack.hosteurope.de (wp530.webpack.hosteurope.de [80.237.130.52]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A102ADF69; Sun, 13 Nov 2022 09:43:06 -0800 (PST) Received: from [2a02:8108:963f:de38:eca4:7d19:f9a2:22c5]; authenticated by wp530.webpack.hosteurope.de running ExIM with esmtpsa (TLS1.3:ECDHE_RSA_AES_128_GCM_SHA256:128) id 1ouH0Z-0000Z2-DB; Sun, 13 Nov 2022 18:43:03 +0100 Message-ID: <456466ec-b347-2c08-1b14-f6b7726229d5@leemhuis.info> Date: Sun, 13 Nov 2022 18:43:02 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.4.1 Subject: Re: [BUG] rtc-efi: Error in efi.get_time() spams dmesg with error message #forregzbot Content-Language: en-US, de-DE From: Thorsten Leemhuis To: linux-rtc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-efi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, "regressions@lists.linux.dev" References: <9b1d1006-2b58-6eda-7e43-861074e9ccfa@leemhuis.info> In-Reply-To: <9b1d1006-2b58-6eda-7e43-861074e9ccfa@leemhuis.info> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-bounce-key: webpack.hosteurope.de;regressions@leemhuis.info;1668361386;d8a43a48; X-HE-SMSGID: 1ouH0Z-0000Z2-DB X-Spam-Status: No, score=0.6 required=5.0 tests=BAYES_00,NICE_REPLY_A, RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,SUSPICIOUS_RECIPS autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org [Note: this mail is primarily send for documentation purposes and/or for regzbot, my Linux kernel regression tracking bot. That's why I removed most or all folks from the list of recipients, but left any that looked like a mailing lists. These mails usually contain '#forregzbot' in the subject, to make them easy to spot and filter out.] On 09.11.22 16:50, Thorsten Leemhuis wrote: > On 08.11.22 11:55, Alexandru Elisei wrote: > >> Commit d3549a938b73 ("efi/arm64: libstub: avoid SetVirtualAddressMap() when >> possible") exposed a firmware error on an Ampere Altra machine that was >> causing the machine to panic. Then commit 23715a26c8d8 ("arm64: efi: >> Recover from synchronous exceptions occurring in firmware") made the EFI >> exception non-fatal, and disabled runtime services when the exception >> happens. The interaction between those two patches are being discussed in a >> separate thread [1], but that should be orthogonal to this. >> >> Now efi.get_time() fails and each time an error message is printed to >> dmesg, which happens several times a second and clutters dmesg >> unnecessarily, to the point it becomes unusable. > > Thanks for the report. To be sure below issue doesn't fall through the > cracks unnoticed, I'm adding it to regzbot, my Linux kernel regression > tracking bot: > > #regzbot ^introduced 23715a26c8d8 > #regzbot title arm64: efi: efi.get_time() fails and clutters dmesg > #regzbot ignore-activity #regzbot fixed-by: 550b33cfd445296